Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
phung cong » nhung cong, phong cong, nhung chong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
than tap » toan tap, han tap, phan tap
phan va » phan van, han va, phan ba
nhan va » nhan tai, nhan dan, nhan tao
pha tap » pham tai

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - anh ((phan va) OR (nhan va)) phung cong san ((than tap) or (pha tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - anh ((phan va) OR (nhan va)) phung cong san ((than tap) OR (pha tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - anh ((phan va) OR (nhan va)) phung cong san ((than tap) or (pha tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - anh ((phan va) OR (nhan va)) phung cong san ((than tap) or (pha tap))*.